Postcode record · Barnet
N12 8BY.
N12 8BY has 30 known premises and 18 planning records — 12 approved of 18 decided (66.7%). 13 EPC records.
Postcode N12 8BY · boundary not held, centred on the postcodeApprovedRefusedOther11 exact11 on the map — every match
At a glance · this postcodeBarnet profile →
30
Premises
known addresses (UPRNs)
18
Applications
18 decided
66.7%
Approval rate
12 approved · 6 refused
13
EPC records
ratings D 11 · E 2
11
Mapped applications
inside the postcode shape
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property
What is it?
N12 8BY has 30 known premises and 18 planning records — 12 approved of 18 decided (66.7%). 13 EPC records.
Premises (18 of 30 shown)
Name
Details
UPRN 200093211
UPRN 200093212
UPRN 200093216
UPRN 200093217
UPRN 200093219
UPRN 200093221
UPRN 200093223
UPRN 200093225
UPRN 200093227
UPRN 200093229
UPRN 200093211
UPRN 200093212
UPRN 200093216
Show all 10 rows
UPRN 200093217
UPRN 200093219
UPRN 200093221
UPRN 200093223
UPRN 200093225
UPRN 200093227
UPRN 200093229
Planning
What happened?
18 planning applications across the postcode; 12 approved of 18 decided (66.7%). Latest 18 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey side/ rear extension with a proposed depth of 5.82 metres from the original rear wall, eaves height of 2.60 metres and maximum height of 3.00 metres.
5 Percy Road London N12 8BY · premises record
Prior Notification (Householder)
Refused
2021-05-10
Roof extension involving rear dormer windows and 3no front facing rooflights
5 Percy Road London N12 8BY · premises record
Proposed Lawful Development Certificate
Approved
2021-03-11
Retention of replacement rear garden external staircase as emergency access only.
3 Percy Road London N12 8BY · premises record
Applicant Mrs Sheila Bowden · Officer Junior Moka
Retention/Continued Use
Approved
2008-02-01
Single storey rear extension.
13 Percy Road London N12 8BY · premises record
Applicant Mr And Mrs Erdem
Proposed Lawful Development Certificate
Approved
2007-09-07
Single storey rear extension.
13 Percy Road London N12 8BY · premises record
Applicant Mr O A Erdem & Mrs T M Erdem
Proposed Lawful Development Certificate
Refused
2007-06-19
Partial use of property as office for private hire operator /driver business.
First Floor Flat 9 Percy Road London N12 8BY · premises record
Applicant Jonathan Michael Askham
Proposed Lawful Development Certificate
Approved
2005-10-21
Single storey side extension following demolition of existing conservatory.
29 Percy Road London N12 8BY · premises record
Applicant Minamax Ltd
Full Application
Approved
2005-03-16
Rear dormer to facilitate a loft conversion.
13 Percy Road London N12 8BY · premises record
Applicant Mr & Mrs Erdem
Proposed Lawful Development Certificate
Approved
2004-09-08
Conversion of ground floor into two self contained flats following partial demolition of existing building and formation of 2 parking spaces.
29 Percy Road London N12 8BY · premises record
Applicant Minamax Ltd
Full Application
Refused
2003-07-30
Proposed Lawful Development Certificate
Approved
2003-01-27
Single storey side/ rear extension with a proposed depth of 5.82 metres from the original rear wall, eaves height of 2.60 metres and maximum height of 3.00 metres.
5 Percy Road London N12 8BY · premises record
Refused
2021-05-10
More
Prior Notification (Householder)
Roof extension involving rear dormer windows and 3no front facing rooflights
5 Percy Road London N12 8BY · premises record
Approved
2021-03-11
More
Proposed Lawful Development Certificate
Retention of replacement rear garden external staircase as emergency access only.
3 Percy Road London N12 8BY · premises record
Applicant Mrs Sheila Bowden · Officer Junior Moka
Approved
2008-02-01
More
Retention/Continued Use
Show all 10 rows
Single storey rear extension.
13 Percy Road London N12 8BY · premises record
Applicant Mr And Mrs Erdem
Approved
2007-09-07
More
Proposed Lawful Development Certificate
Single storey rear extension.
13 Percy Road London N12 8BY · premises record
Applicant Mr O A Erdem & Mrs T M Erdem
Refused
2007-06-19
More
Proposed Lawful Development Certificate
Partial use of property as office for private hire operator /driver business.
First Floor Flat 9 Percy Road London N12 8BY · premises record
Applicant Jonathan Michael Askham
Approved
2005-10-21
More
Proposed Lawful Development Certificate
Single storey side extension following demolition of existing conservatory.
29 Percy Road London N12 8BY · premises record
Applicant Minamax Ltd
Approved
2005-03-16
More
Full Application
Rear dormer to facilitate a loft conversion.
13 Percy Road London N12 8BY · premises record
Applicant Mr & Mrs Erdem
Approved
2004-09-08
More
Proposed Lawful Development Certificate
Conversion of ground floor into two self contained flats following partial demolition of existing building and formation of 2 parking spaces.
29 Percy Road London N12 8BY · premises record
Applicant Minamax Ltd
Refused
2003-07-30
More
Full Application
Approved
2003-01-27
More
Proposed Lawful Development Certificate
Building control
Building-control records are not yet collected for Barnet — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
Every mapped designation touching a premises in this postcode, with how many of its 30 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 30 of 30 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 30 of 30 premises. Some normally permitted changes may require planning permission.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
Percy Road0 mColeridge Road13 mFootpath From Percy Road To Albert Street16 mHughes Close20 mHall Street27 mDerby Avenue28 mGrange Avenue28 mHigh Road30 mFriern Park45 mWinifred Place52 m
People
Who is involved?
Named on the latest 18 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent18 applications and 11 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings D: 11, E: 2.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.
Intent signals
Planning Atlas ProOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
7 intent signals recorded in this postcode
Charge registered · Long hold
Subscribe to see the signals →Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.